The dedusted fume exhausts via upper water baffle.

净化后的烟气经上部挡水板排出。

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The greater the vertical maximum gradient is, the more powerful its capability to block vertical heat diffusion from upper water layer to deep water layer.

温度垂直梯度越大，它在垂直方向上阻碍上层海水的热量往深层扩散的能力就越强。

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Fascinating for both the novice and advanced aquarist, these brightly colored fish are active, yet peaceful inhabitants of the upper water layer of the aquarium.

水族爱好者中不论是新手还是老手都为这种鱼着迷，这些体色明艳的鱼只活泼而平和，生活在鱼缸的上层水区。

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By holding more water in upper-river reservoirs during the summer months, the split-season plan would boost recreational interests that require higher water levels for boat docks and other structures.

CNN: Missouri River destiny hangs in the balance

Hostage negotiators remained in contact with Murphy throughout the standoff, passing food and water through an upper window of the two-storey house, New Jersey State Police Colonel Rick Fuentes said on Sunday morning.

BBC: Two bodies found after New Jersey hostage stand-off

On the downside, you do have to give up some of the more premium features like water-cooling or an upper-tier processor, but if you're looking to keep things well under the two grand mark, Computer Shopper says this one is about as good a bet as any.

ENGADGET: Alienware's more modestly-priced Area-51 7500 gets reviewed